Changelog:
==========
Raise warning instead of error when using fps in pillow
Consistently load GIF frames using the same pixel format
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit 938112158d)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
